[INFO] cloning repository https://github.com/realVilmos/Rust-Backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realVilmos/Rust-Backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealVilmos%2FRust-Backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealVilmos%2FRust-Backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa9f23f95f1b64d79a12680f8dcc942ab8c811d3
[INFO] checking realVilmos/Rust-Backend against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealVilmos%2FRust-Backend" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/realVilmos/Rust-Backend
[INFO] finished tweaking git repo https://github.com/realVilmos/Rust-Backend
[INFO] tweaked toml for git repo https://github.com/realVilmos/Rust-Backend written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/realVilmos/Rust-Backend on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/realVilmos/Rust-Backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `polars`.
[INFO] [stderr]     ... required by package `Rust-Backend v0.1.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.38` are: 0.38.3, 0.38.2, 0.38.1, 0.38.0
[INFO] [stderr] 
[INFO] [stderr] package `Rust-Backend` depends on `polars` with feature `csv-file` but `polars` does not have that feature.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `polars` which could resolve this conflict


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for `polars`.
    ... required by package `Rust-Backend v0.1.0 (/workspace/builds/worker-2-tc1/source)`
versions that meet the requirements `^0.38` are: 0.38.3, 0.38.2, 0.38.1, 0.38.0

package `Rust-Backend` depends on `polars` with feature `csv-file` but `polars` does not have that feature.


failed to select a version for `polars` which could resolve this conflict